Ariella listened intently as everyone gave their answers. It seemed to her that Kurumi's answer was going to be correct. After all, she had given an answer that was out of the box.

Truthfully, Ariella didn't really have an idea of what 47 could be. It being a combination of 4 and 7 seemed like too simple of an answer. But that was the only thing she could think of. She thought than an answer was better than nothing. "Professor, I'm not quite sure, but could it be a combination of the characteristics of 4 and 7?" And that brought up another interesting thing in Ariella's mind. Could it be maybe about adding the digits together? She decided to hold off until other people had a chance to answer. She didn't want to confuse anyone - she had a tendency to do that when she had a question.